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Java: is there a map function?
I need a map function. Is there something like this in Java already?
6 Answers
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A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi
...t JRE install on a Windows machine. My JRE came along with the JDK and the Java 6 JDK installer didn't install the JRE properly somehow. A DLL file was missing in JDK's JRE installation. After I reinstalled the standalone JRE from http://java.com, overwriting the old one, the GlassFish installer con...
How to add minutes to my Date
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In order to avoid any dependency you can use java.util.Calendar as follow:
Calendar now = Calendar.getInstance();
now.add(Calendar.MINUTE, 10);
Date teenMinutesFromNow = now.getTime();
In Java 8 we have new API:
LocalDateTime dateTime = LocalDateTime...
How does java do modulus calculations with negative numbers?
Am I doing modulus wrong? Because in Java -13 % 64 is supposed to evaluate to -13 but I get 51 .
14 Answers
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Why is the Java main method static?
The method signature of a Java main() method is:
37 Answers
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Get java.nio.file.Path object from java.io.File
Is it possible to get a Path object from a java.io.File ?
4 Answers
4
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Why is using a wild card with a Java import statement bad?
...pace. For example, let's say that you're writing a Swing app, and so need java.awt.Event, and are also interfacing with the company's calendaring system, which has com.mycompany.calendar.Event. If you import both using the wildcard method, one of these three things happens:
You have an outright ...
Why is there no Constant feature in Java?
I was trying to identify the reason behind constants in Java
I have learned that Java allows us to declare constants by using final keyword.
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What is Java String interning?
What is String Interning in Java, when I should use it, and why ?
7 Answers
7
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RESTful call in Java
I am going to make a RESTful call in Java. However, I don't know how to make the call. Do I need to use the URLConnection or others? Can anyone help me. thank you.
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